bugfix: Item_func_weight_string::print()

mysql-test/r/ctype_binary.result

@@ -3145,7 +3145,7 @@ EXPLAIN EXTENDED SELECT * FROM t1 WHERE WEIGHT_STRING(a)='a'  AND a='a';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where ((`test`.`t1`.`a` = 'a') and (weight_string(`test`.`t1`.`a`) = 'a'))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where ((`test`.`t1`.`a` = 'a') and (weight_string(`test`.`t1`.`a`,0,0,1) = 'a'))
 DROP TABLE t1;
 #
 # End of 10.1 tests

mysql-test/r/func_weight_string.result

@@ -119,7 +119,7 @@ SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where ((`test`.`t1`.`a` = 1) and isnull(weight_string(`test`.`t1`.`a`)))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where ((`test`.`t1`.`a` = 1) and isnull(weight_string(`test`.`t1`.`a`,0,0,1)))
 ALTER TABLE t1 MODIFY a DOUBLE ZEROFILL;
 SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
 a
@@ -129,7 +129,7 @@ SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where ((`test`.`t1`.`a` = 1) and isnull(weight_string(`test`.`t1`.`a`)))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where ((`test`.`t1`.`a` = 1) and isnull(weight_string(`test`.`t1`.`a`,0,0,1)))
 ALTER TABLE t1 MODIFY a DECIMAL(10,1) ZEROFILL;
 SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
 a
@@ -139,7 +139,7 @@ SELECT * FROM t1 WHERE a=1 AND WEIGHT_STRING(a) IS NULL;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where ((`test`.`t1`.`a` = 1) and isnull(weight_string(`test`.`t1`.`a`)))
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where ((`test`.`t1`.`a` = 1) and isnull(weight_string(`test`.`t1`.`a`,0,0,1)))
 DROP TABLE t1;
 #
 # End of 10.1 tests
@@ -155,13 +155,18 @@ SHOW CREATE TABLE t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `a` varchar(10) DEFAULT NULL,
-  `b` varbinary(10) DEFAULT WEIGHT_STRING(a AS CHAR(10))
+  `b` varbinary(10) DEFAULT weight_string(`a`,0,10,65)
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 INSERT INTO t1 (a) VALUES ('a');
 SELECT a, HEX(b) FROM t1;
 a	HEX(b)
 a	41202020202020202020
 DROP TABLE t1;
+create view v1 as select weight_string("MySQL" as char(4));
+select * from v1;
+weight_string("MySQL" as char(4))
+MYSQ
+drop view v1;
 #
 # End of 10.2 tests
 #

mysql-test/t/func_weight_string.test

@@ -161,6 +161,13 @@ INSERT INTO t1 (a) VALUES ('a');
 SELECT a, HEX(b) FROM t1;
 DROP TABLE t1;
 
+#
+# Item_func_weight_string::print()
+#
+create view v1 as select weight_string("MySQL" as char(4));
+select * from v1;
+drop view v1;
+
 --echo #
 --echo # End of 10.2 tests
 --echo #

sql/item_strfunc.cc

@@ -3621,6 +3621,21 @@ String *Item_func_weight_string::val_str(String *str)
 }
 
 
+void Item_func_weight_string::print(String *str, enum_query_type query_type)
+{
+  str->append(func_name());
+  str->append('(');
+  args[0]->print(str, query_type);
+  str->append(',');
+  str->append_ulonglong(result_length);
+  str->append(',');
+  str->append_ulonglong(nweights);
+  str->append(',');
+  str->append_ulonglong(flags);
+  str->append(')');
+}
+
+
 String *Item_func_hex::val_str_ascii(String *str)
 {
   String *res;

sql/item_strfunc.h

@@ -1254,6 +1254,7 @@ class Item_func_weight_string :public Item_str_func
   }
   Item* propagate_equal_fields(THD *thd, const Context &ctx, COND_EQUAL *cond)
   { return this; }
+  void print(String *str, enum_query_type query_type);
   Item *get_copy(THD *thd, MEM_ROOT *mem_root)
   { return get_item_copy<Item_func_weight_string>(thd, mem_root, this); }
 };